Prepare to work - familiarize yourself with the spare tire and the
location of the vehicle before you travel Spare tire, vehicle tool,
triangle warning board located at the bottom of the chassis.The
components of the vehicle include: 1, traction hook ring 2, wire
hook 3, car jack 4, wheel wrench for pulling out wheel bolts.You must stop the car before changing the wheel

Before replacement, the car should be parked away from the traffic,
the ground level and the solid safe position.P mode, pull hand
brake, shut off the engine, open the hazard warning lights, set up
them fifty metres behind a vehicle location, the accessory
personnel should get off and away from the driveway and the danger
zone.Replace the cover of the wheel and loosen the wheel boltsSet the wheel wrench on the wheel bolt and push it to the limit
position.Holding one end of the wheel wrench, wheel bolt to the
left turning around a circle, such as unable to budge wheel wrench,
you can carefully with the feet step on the wheel wrench end to
press, now want to use walking living on vehicle.Note: no jacks are used at this time. Turn the wheel bolts loose.4 find the jack support and lift the car with the jack until the
wheels of the car just leave the groundFind the support point of the car jack (located at the bottom of
the car).Check that the entire plane of the jack base is firmly
attached to the ground.Adjust the car jack, and continue to lift
the jack until the claw holds the edge of the edge of the
beam.Continue to lift the car jack until the wheels of the car just
leave the ground.Also place the spare tire on the left side of the
jack.

Founction:

The valve function is to pump a small part of the tire and maintain
the seal after the tyre is inflated.The normal valve mouth is
composed of valve body, air core and valve cap.The inner tire is fitted to the inner tyre and the tyre is not
fitted on the rim.The structure can be divided into rubber metal valve mouth and the
metal valve mouth with rubber pad.The former is used for the inner
tire of a car tire, the latter is mainly used for the tire inner
tube.The internal structure of the inner tube is the same as the
normal valve.

1. Remove the valve core and air.2. Separate the air port of the tire and remove it from the wheel.Remove the valve nozzle.4. Clean the hole in the steel and remove dirt and dirt.5. Install the new valve nozzle inside the wheel steel.6. Properly install the tire and inflate it to the fixed pressure.Put on a new valve cap.